Merchandise display base



FIG. 1 is a perspective view of a merchandise display base showing mynew design, the broken lines for illustrative purposes only forming nopart of the claimed design;

FIG. 2 is a reduced top plan view thereof;

FIG. 3 is a reduced bottom plan view thereof;

FIG. 4 is a reduced front side elevational view thereof;

FIG. 5 is a reduced rear side elevational view thereof;

FIG. 6 is a reduced left side elevational view thereof; and,

FIG. 7 is a reduced right side view thereof.

The ornamental design for a merchandise display base, as shown anddescribed.